CN216782582U

CN216782582U - Heating device for charging barrel

Info

Publication number: CN216782582U
Application number: CN202123270333.0U
Authority: CN
Inventors: 翁科峰; 郑邦连; 周朝波
Original assignee: Zhejiang Taiyide Plastics Machinery Manufacture Co ltd
Current assignee: Zhejiang Taiyide Plastics Machinery Manufacture Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-06-21
Anticipated expiration: 2031-12-22

Abstract

The utility model provides a heating device for feed cylinder, including the heating collar, the heating collar includes half first section of thick bamboo and half second section of thick bamboo and the locking mechanical system that can be fixed half first section of thick bamboo and half second section of thick bamboo that can be to forming the tube-shape heating collar together, locking mechanical system is connected with the outer wall of half first section of thick bamboo and half second section of thick bamboo, be provided with annular heating cavity on the inner wall of tube-shape heating collar, the circumference distributes in the heating cavity has the hollow nanotube that sets up along the tube-shape heating collar axial, all wear to put the heater strip in every nanotube, the heater strip passes through the wire and constitutes the return circuit with power, switch. The utility model has the advantages that: the heating wires are wound in the heating cavity, and the heating wires are inserted in the nanotubes, so that the nanotubes are excellent in heat transfer performance, high in heat transfer efficiency and uniform in heat dissipation, heat can be transferred to the charging barrel more uniformly, and uniform heating of the charging barrel is realized.

Description

Heating device for charging barrel

Technical Field

The utility model relates to the technical field of manufacturing of heating devices, in particular to a heating device for a charging barrel.

Background

The present chinese utility model patent with the application number cn202020844676.x entitled "a feed cylinder heating device" discloses a feed cylinder heating device, which comprises: the feed cylinder, cooling structure and multistage heating circle, the multistage heating circle includes first section heating circle and second section heating circle at least, and first section heating circle is greater than second section heating circle and cooling structure's distance, and the heating coefficient of second section heating circle is greater than the heating coefficient of first section heating circle and makes the heating circle thermal power of second section bigger than normal to the solution is fast than the preceding stage because of its adjacent heat dissipation that leads to when normal heating with feed cylinder cooling structure, material temperature rises slow problem. However, the heating device does not disclose a specific structure of the heating ring, and the heating ring may have uneven heating inside the ring, so the structure of the heating device needs to be further improved.

Disclosure of Invention

The present invention provides a heating device for a charging barrel, which has uniform temperature rise and high heating efficiency.

The technical scheme adopted by the utility model for solving the technical problems is as follows: this a heating device for feed cylinder, including can overlap the heating circle on the feed cylinder outer wall, its characterized in that: the heating collar is including can be to forming half first section of thick bamboo and half a second section of thick bamboo of tube-shape heating collar together and can be with half first section of thick bamboo and the half fixed locking mechanical system together of second, locking mechanical system is connected with the outer wall of half first section of thick bamboo and half a second section of thick bamboo, is provided with annular heating cavity on the inner wall of tube-shape heating collar the circumference distributes in the heating cavity has the hollow nanotube along tube-shape heating collar axial setting, has all worn to put the heater strip in every nanotube, the heater strip passes through the wire and constitutes the return circuit with power, switch.

As an improvement, an insertion part which can be connected with an external power plug can be preferably arranged on the outer wall of the cylindrical heating ring, and the heating wire is connected with the insertion part through a lead.

In a further improvement, heat dissipation through holes can be preferably distributed on the shell of the plug part.

As a refinement, the right side of the first cartridge half may be rotatably connected to the right side of the second cartridge half, preferably by a hinge, and the left side wall of the first cartridge half and the left side wall of the second cartridge half are connected to the locking mechanism.

The locking mechanism is preferably configured such that hooks are distributed on an outer wall of the first half cylinder, a rotating buckle is arranged on an outer wall of the second half cylinder corresponding to the hooks, and the rotating buckle can be buckled on the corresponding hooks when the first half cylinder and the second half cylinder are combined together to form the cylindrical heating ring.

In a further development, a notch can be preferably provided on the left side edge of the first cartridge half, which notch facilitates the separation of the first cartridge half from the second cartridge half.

As an improvement, the cylindrical heating ring may preferably include an outer ring and an inner ring, the heating cavity is disposed on an inner wall of the inner ring, and a heat insulation annular cavity is disposed between the outer ring and the inner ring.

In a further improvement, the inner wall of the inner ring can be preferably a reflective layer capable of reflecting infrared ray enhanced thermal radiation.

As an improvement, the heating ring can be formed by sequentially overlapping N cylindrical heating rings end to end, an insertion part which can be communicated with an external power supply plug is arranged on the outer wall of each cylindrical heating ring, the heating wire is connected with the corresponding insertion part through a lead, and N is a natural number greater than 1.

In a further improvement, an anti-slip groove may be preferably provided on an end face of each cylindrical heating ring.

Compared with the prior art, the utility model has the advantages that: the heating wires are encircled in the heating concave cavity, and the heating wires are inserted in the nanotubes, so that the nanotubes have excellent heat transfer performance, high heat transfer efficiency and uniform heat dissipation, heat can be transferred to the charging barrel more uniformly, and the charging barrel can be heated uniformly; all wires of the heating ring are connected to the plug-in part and then connected with an external power supply through the plug-in part, so that circuit crossing and winding are reduced, the connection is neat, the circuit is kept smooth, and the use is safer; a heat insulation annular cavity is arranged between the inner ring and the outer ring of the heating ring, and the characteristic of slow heat transfer of air is utilized, so that the heat loss is reduced, and the energy is saved.

Drawings

FIG. 1 is a perspective view of an embodiment of the present invention applied to a cartridge;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is a perspective view of an embodiment of the present invention;

FIG. 5 is an open perspective view of FIG. 4;

FIG. 6 is a cross-sectional view of the outer race of FIG. 4 with portions broken away;

FIG. 7 is a top view of FIG. 4;

fig. 8 is a cross-sectional view taken along line B-B of fig. 7.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 8, the heating device for a charging barrel of the present embodiment includes a heating ring capable of being sleeved on an outer wall of the charging barrel 2, the heating ring includes a first half barrel 11 and a second half barrel 12 which can be abutted together to form a cylindrical heating ring 1, and a locking mechanism capable of fixing the first half barrel 11 and the second half barrel 12 together, the locking mechanism is connected with outer walls of the first half barrel 11 and the second half barrel 12, an annular heating cavity 13 is provided on an inner wall of the cylindrical heating ring 1, hollow nanotubes 14 axially arranged along the cylindrical heating ring 1 are circumferentially distributed in the heating cavity 13, a heating wire 15 is penetrated in each nanotube 14, and the heating wire 15 forms a loop with a power supply and a switch through a wire.

An inserting part 16 which can be connected with an external power supply plug is arranged on the outer wall of the cylindrical heating ring 1, and the heating wire 15 is connected with the inserting part 16 through a lead. Heat dissipating through holes are distributed on the housing of the insertion part 16. The right side of the first half barrel 11 is rotatably connected with the right side of the second half barrel 12 through a hinge, and the left side wall of the first half barrel 11 and the left side wall of the second half barrel 12 are connected with a locking mechanism. The locking mechanism has the specific structure that the hooks 17 are distributed on the outer wall of the first half cylinder 11, the rotating buckle 18 is arranged on the outer wall of the second half cylinder 12 corresponding to the hooks 17, and when the first half cylinder 11 and the second half cylinder 12 are combined together to form the cylindrical heating ring, the rotating buckle 18 can be buckled on the corresponding hooks 17. A notch 111 is provided on the left side edge of the first half cartridge 11 to facilitate separation of the first half cartridge 11 from the second half cartridge 12.

The cylindrical heating ring comprises an outer ring and an inner ring, the heating cavity 13 is arranged on the inner wall of the inner ring, and a heat insulation annular cavity 19 is arranged between the outer ring and the inner ring. The inner wall of the inner ring is a reflecting layer which can reflect infrared rays and enhance thermal radiation.

The heating ring is formed by sequentially overlapping N cylindrical heating rings end to end, an inserting part 16 which can be connected with an external power supply plug is arranged on the outer wall of each cylindrical heating ring, the heating wire 15 is connected with the corresponding inserting part 16 through a wire, and N is a natural number which is more than 1. An anti-skid groove 10 is arranged on the end face of each cylindrical heating ring.

Claims

1. A heating device for a cartridge, comprising a heating ring which can be sheathed on the outer wall of the cartridge (2), characterized in that: the heating collar is including can be to forming half first section of thick bamboo (11) and half second section of thick bamboo (12) of tube-shape heating collar (1) together and can be with half first section of thick bamboo (11) and half fixed locking mechanical system together of second section of thick bamboo (12), locking mechanical system is connected with the outer wall of half first section of thick bamboo (11) and half second section of thick bamboo (12), is provided with annular heating cavity (13) on the inner wall of tube-shape heating collar (1) the circumference distributes in heating cavity (13) has hollow nanotube (14) along tube-shape heating collar (1) axial setting, has all worn to put in every nanotube (14) heater strip (15), heater strip (15) constitute the return circuit through wire and power, switch.

2. The heating device according to claim 1, characterized in that: an inserting part (16) which can be communicated with an external power plug is arranged on the outer wall of the cylindrical heating ring (1), and the heating wire (15) is connected with the inserting part (16) through a lead.

3. The heating device according to claim 2, characterized in that: and heat dissipation through holes are distributed on the shell of the insertion part (16).

4. The heating device according to any one of claims 1 to 3, characterized in that: the right side of the first half cylinder (11) is rotatably connected with the right side of the second half cylinder (12) through a hinge, and the left side wall of the first half cylinder (11) and the left side wall of the second half cylinder (12) are connected with a locking mechanism.

5. The heating device according to claim 4, characterized in that: the locking mechanism is characterized in that hooks (17) are distributed on the outer wall of the first half cylinder (11), a rotating buckle (18) is arranged on the outer wall of the second half cylinder (12) corresponding to the hooks (17), and when the first half cylinder (11) and the second half cylinder (12) are combined together to form a cylindrical heating ring, the rotating buckle (18) can be buckled on the corresponding hooks (17).

6. The heating device according to claim 4, characterized in that: a notch (111) which can conveniently separate the first half cylinder (11) from the second half cylinder (12) is arranged on the left side edge of the first half cylinder (11).

7. The heating device according to any one of claims 1 to 3, characterized in that: the cylindrical heating ring comprises an outer ring and an inner ring, the heating cavity (13) is arranged on the inner wall of the inner ring, and a heat insulation annular cavity (19) is arranged between the outer ring and the inner ring.

8. The heating device according to claim 7, characterized in that: the inner wall of the inner ring is a reflecting layer capable of reflecting infrared rays and enhancing heat radiation.

9. The heating device according to any one of claims 1 to 3, characterized in that: the heating ring is formed by sequentially laminating N cylindrical heating rings end to end, an inserting part (16) which can be connected with an external power supply plug is arranged on the outer wall of each cylindrical heating ring, the heating wires (15) are connected with the corresponding inserting parts (16) through wires, and N is a natural number greater than 1.

10. The heating device according to claim 9, characterized in that: an anti-skid groove (10) is arranged on the end face of each cylindrical heating ring.